Knife block



FIG. 1 is a top plan view of a knife block showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational thereof;

FIG. 7 is a front, left and top perspective view thereof; and,

FIG. 8 is a rear, left and top perspective view thereof.

The broken lines in the figures illustrate the portions of the design that form no part of the claimed design. 

CLAIM The ornamental design for a knife block, as shown and described. 